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Contract OI history

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Dec 18, 2026 EXPIRATION

GRPN $15.00 Call

GRPN261218C00015000

Latest saved OI353Oct 23, 2026
Last change0vs previous saved observation
Saved market days8Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
GRPN $15.00 call open interest history 8 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 5002500 2026-10-08: 0 OI2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 200 OI2026-10-16: 500 OI2026-10-20: 353 OI2026-10-23: 353 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GRPN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 20263530
Oct 20, 2026Viewing353-147
Oct 16, 2026500+300
Oct 15, 2026200+200
Oct 14, 202600
Oct 13, 202600
Oct 09, 202600
Oct 08, 20260No prior observation